343 static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)  in ext4_journal_commit_callback()  argument
345 	struct super_block		*sb = journal->j_private;  in ext4_journal_commit_callback()
347 	int				error = is_journal_aborted(journal);  in ext4_journal_commit_callback()
384 		journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_handle_error()  local
387 		if (journal)  in ext4_handle_error()
388 			jbd2_journal_abort(journal, -EIO);  in ext4_handle_error()
1041 	journal_t *journal = EXT4_SB(sb)->s_journal;  in bdev_try_to_free_page()  local
1046 	if (journal)  in bdev_try_to_free_page()
1047 		return jbd2_journal_try_to_free_buffers(journal, page,  in bdev_try_to_free_page()
4363 static void ext4_init_journal_params(struct super_block *sb, journal_t *journal)  in ext4_init_journal_params()  argument
4367 	journal->j_commit_interval = sbi->s_commit_interval;  in ext4_init_journal_params()
4368 	journal->j_min_batch_time = sbi->s_min_batch_time;  in ext4_init_journal_params()
4369 	journal->j_max_batch_time = sbi->s_max_batch_time;  in ext4_init_journal_params()
4371 	write_lock(&journal->j_state_lock);  in ext4_init_journal_params()
4373 		journal->j_flags |= JBD2_BARRIER;  in ext4_init_journal_params()
4375 		journal->j_flags &= ~JBD2_BARRIER;  in ext4_init_journal_params()
4377 		journal->j_flags |= JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
4379 		journal->j_flags &= ~JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
4380 	write_unlock(&journal->j_state_lock);  in ext4_init_journal_params()
4387 	journal_t *journal;  in ext4_get_journal()  local
4415 	journal = jbd2_journal_init_inode(journal_inode);  in ext4_get_journal()
4416 	if (!journal) {  in ext4_get_journal()
4421 	journal->j_private = sb;  in ext4_get_journal()
4422 	ext4_init_journal_params(sb, journal);  in ext4_get_journal()
4423 	return journal;  in ext4_get_journal()
4430 	journal_t *journal;  in ext4_get_dev_journal()  local
4491 	journal = jbd2_journal_init_dev(bdev, sb->s_bdev,  in ext4_get_dev_journal()
4493 	if (!journal) {  in ext4_get_dev_journal()
4497 	journal->j_private = sb;  in ext4_get_dev_journal()
4498 	ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &journal->j_sb_buffer);  in ext4_get_dev_journal()
4499 	wait_on_buffer(journal->j_sb_buffer);  in ext4_get_dev_journal()
4500 	if (!buffer_uptodate(journal->j_sb_buffer)) {  in ext4_get_dev_journal()
4504 	if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {  in ext4_get_dev_journal()
4507 			be32_to_cpu(journal->j_superblock->s_nr_users));  in ext4_get_dev_journal()
4511 	ext4_init_journal_params(sb, journal);  in ext4_get_dev_journal()
4512 	return journal;  in ext4_get_dev_journal()
4515 	jbd2_journal_destroy(journal);  in ext4_get_dev_journal()
4525 	journal_t *journal;  in ext4_load_journal()  local
4569 		if (!(journal = ext4_get_journal(sb, journal_inum)))  in ext4_load_journal()
4572 		if (!(journal = ext4_get_dev_journal(sb, journal_dev)))  in ext4_load_journal()
4576 	if (!(journal->j_flags & JBD2_BARRIER))  in ext4_load_journal()
4580 		err = jbd2_journal_wipe(journal, !really_read_only);  in ext4_load_journal()
4586 		err = jbd2_journal_load(journal);  in ext4_load_journal()
4595 		jbd2_journal_destroy(journal);  in ext4_load_journal()
4599 	EXT4_SB(sb)->s_journal = journal;  in ext4_load_journal()
4690 	journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_mark_recovery_complete()  local
4693 		BUG_ON(journal != NULL);  in ext4_mark_recovery_complete()
4696 	jbd2_journal_lock_updates(journal);  in ext4_mark_recovery_complete()
4697 	if (jbd2_journal_flush(journal) < 0)  in ext4_mark_recovery_complete()
4707 	jbd2_journal_unlock_updates(journal);  in ext4_mark_recovery_complete()
4718 	journal_t *journal;  in ext4_clear_journal_err()  local
4724 	journal = EXT4_SB(sb)->s_journal;  in ext4_clear_journal_err()
4731 	j_errno = jbd2_journal_errno(journal);  in ext4_clear_journal_err()
4744 		jbd2_journal_clear_err(journal);  in ext4_clear_journal_err()
4745 		jbd2_journal_update_sb_errno(journal);  in ext4_clear_journal_err()
4755 	journal_t *journal;  in ext4_force_commit()  local
4760 	journal = EXT4_SB(sb)->s_journal;  in ext4_force_commit()
4761 	return ext4_journal_force_commit(journal);  in ext4_force_commit()
4817 	journal_t *journal;  in ext4_freeze()  local
4822 	journal = EXT4_SB(sb)->s_journal;  in ext4_freeze()
4824 	if (journal) {  in ext4_freeze()
4826 		jbd2_journal_lock_updates(journal);  in ext4_freeze()
4832 		error = jbd2_journal_flush(journal);  in ext4_freeze()
4842 	if (journal)  in ext4_freeze()
4844 		jbd2_journal_unlock_updates(journal);  in ext4_freeze()